Astashkin, E.I., A.V. Shirokaya, N.D. Yegorova, N.S. Orekhova, A.N. Novikova, A.N. Nasedkin, and S.V. Grachev. 2012. “Pathophysiological Mechanisms of Influence of Exogenous Nitrogen Monoxide Polypous Rhinosinusitis”. Patologicheskaya Fiziologiya I Eksperimental’naya Terapiya (Pathological physiology and experimental Therapy) 56 (4):109-12. https://pfiet.ru/article/view/5362.